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A.put out the fire in the burning house | B.know the ways to escape the fire |
C.jump off a burning house | D.keep the door closed |
A.if there are some bushes on the ground |
B.if you are strong enough |
C.if you live on a lower floor |
D.If you have a long rope |
A.You can escape through stairways. |
B.You can choose fire escapes. |
C.Escape from the windows that open onto a roof. |
D.Use a lift to come down at once. |
A.Escaping from the Windows | B.Save Yourself in the Burning House |
C.Knowledge on Fire | D.Waiting for Help |
1 | ![]() | A sign like this one means that there is a bike lane(车道). If there is such a sign,you are required to use the bike lane. If there is not such a sign, you should ride with traffic as far to the right side of the road as possible. |
2 | ![]() | This signal means you can cross the street along with pedestrians(行人). It has a green picture of a oerson walking instead of using the word“walk”. |
3 | ![]() | This signal is the “don’t walk”sign. It is a picture of a red hand, meaning you should stop. You should wait to cross the street until the green picture of the person walking is showing. |
4 | ![]() | Car drivers and bikers must come to a complete stop at“STOP” signs. |
5 | ![]() | A“YIELD”sign means to slow down and be ready to stop. If there are pedestrians or vehicles in or near the crossroad, you must stop. If there is no traffic in or near the crossroad and it is safe, you may go through. |
6 | ![]() | This signal means you are coming to a zebra crossing. Car drivers and bikers must stop to allow people in the zebra crossing to cross the street. |
7 | ![]() | When people are working on the roads, parts of the road are often dug up or rough(不平整的). Be careful when yon are cycling. Rough roads could make you fall off your bike. If you must move into the road to go around a work area,you should stop and look carefully to be sure there is no traffic coming. |
8 | ![]() | A detour is a way of getting around a roadway that is closed. Roads are usually closed because of road work or dangerous conditions. If you must take a detour, be careful about the roads you aren’t used to. |
A.To ride against traffic. |
B.To ride on the left side of the road. |
C.To ride on the bike lane. |
D.To ride on the right side of the road |
A.They should be careful when they cycle on the rough road. |
B.They should take the rough road and fall off their bikes. |
C.They should move into the road to go around a work area. |
D.They should take another route instead of the closed roadway. |
A.America | B.England | C.Russia | D.Japan |
A.He had a great love of nature. |
B.He liked the American people. |
C.He went throughout the country. |
D.He collected apple seeds and planted apple trees. |
A.Something for cutting apples. |
B.A person who likes to please others. |
C.A person who is dealing with fruits. |
D.A machine for cleaning apples quickly. |
A.Apples are medicine. |
B.Apples are the most important food. |
C.New York is famous for its big apples. |
D.The Bible says Adam was given an apple. |
A.apples in American culture |
B.stories about the apple |
C.some famous sayings of the apple |
D.big cities that are famous for apples |
A.How to Know if a Bone is Broken |
B.How Broken Bones Heal Themselves |
C.Common Causes (原因) of Broken Bones |
D.What You Should Know about Broken Bones |
A.asking the doctor for help | B.comforting the hurt person |
C.moving the injured part | D.staying calm |
A.a→b→c→d | B.a→c→b→d | C.a→d→c→b | D.d→a→b→c |
A.lives on land in Africa |
B.can stay alive for months out of water |
C.prefers living in dry places |
D.is the longest living fish on earth |
A.breathe through its skin | B.be found in Asia |
C.keep alive out of water | D.keep alive and walk on land |
A.The Mangrove Rivulus fish can live out of water as long as other animals if it has something to eat. |
B.Millions of years ago, animals began to live onto land from water. |
C.Lungfish found in Australia, Africa and South America can live out of water in a not active way. |
D.The walking catfish found in Southeast Asia can stay on land for hours at a time. |
A.ft was made by Scott Taylor, a researcher in New york. |
B.It was helped by an American magazine. |
C.It was helped by Patricia Wright. |
D.It was made by a researcher while travelling. |